Disk cartridge



FIG. 1 is a rear elevational view of portion of a disk cartridge showing my new design;

FIG. 2 is a reference cross sectional view thereof, taken along the line 2—2 in a direction of arrows shown in FIG. 1; and,

FIG. 3 is a reference cross sectional view thereof, taken along the line 3—3 in a direction of arrows shown in FIG. 1.

The dot-dash broken line in FIG. 1 is an unclaimed boundary of the design. 

The ornamental design for portion of a disk cartridge, as shown and described. 